package day03;
//if结构的演示
public class IfDemo {
    public static void main(String[] args) {
        //1)满500打8折:
        double price = 300.0; //消费金额   带数(600.0,300.0)
        if(price>=500){ //满500
            price*=0.8; //打8折
        }
        System.out.println("最终结算金额为:"+price);
        System.out.println("------------------------------");

        //2)判断成绩是否合法:
        double score = 555; //成绩    带数(95.5,-5,555)
        if(score>=0 && score<=100){
            System.out.println(score+"是合法成绩");
        }
        System.out.println("继续执行...");

    }
}














